@techreport{G84,
    Author = {Goldberg, A. V.},
    Title = {Finding a Maximum Density Subgraph},
    Institution = {EECS Department, University of California, Berkeley},
    Year = {1984},
    Number = {UCB/CSD-84-171}
}


@inproceedings{LLT,
  
author    = {Theodoros Lappas and
 Kun Liu and Evimaria Terzi},
title     = {Finding a team of experts in social networks},
  booktitle = {KDD},

year      = {2009},
 
pages     = {467-476}

}




@inproceedings{KS,
author    = {Samir Khuller and Barna Saha},
title     = {On Finding Dense Subgraphs},
  
booktitle = {ICALP (1)},
  
year      = {2009},
  
pages     = {597-608}

}



@article{CL,
author = {S. J. Chen and L. Lin},
title = {Modeling team member characteristics for the formation of a multifunctional team in concurrent engineering},
journal = {IEEE Transactions on Engineering Management},
volume = {51},
number = {2},
year = {2004},
pages = {111-124}
}

@article{ZK,
author = {A. Zakarian and A. Kusiak},
title = {Forming teams: an analytical approach},
journal = {IIE Transactions},
volume = {31},
number = {1},
year = {2004},
pages = {85-97}
}

@article{BDD,
author = {Adil Baykasoglu and Turkay Dereli and Sena Das},
title = {Project Team Selection Using Fuzzy Optimization Approach},
journal = {Cybern. Syst.},
volume = {38},
number = {2},
year = {2007},
pages = {155-185}
}


@article{FA,
 author = {F. L. Fitzpatrick and R. G. Askin},
 title = {Forming effective worker teams with multi-functional skill requirements},
 journal = {Comput. Ind. Eng.},
 volume = {48},
 number = {3},
 year = {2005},
 pages = {593-608}
}


@article{WOMJ,
 author = {H. Wi and S. Oh and J. Mun and M. Jung},
 title = {A team formation model based on knowledge and collaboration},
 journal = {Expert Syst. Appl.},
 volume = {36},
 number = {5},
 year = {2009},
 pages = {9121-9134}
}


@inproceedings{GSJ,
  
author    = {M. Gaston and J. Simmons and M. desJardins}, 
title     = {Adapting network structures for efficient team formation},
booktitle = {In Proceedings of the AAAI Fall Symposium on Artificial Multi-agent Learning},

year      = {2004}
}

@book{L,
author = {E. Lawler},
title = {Combinatorial optimization - networks and matroids},
publisher = {Holt, Rinehart, and Winston},
year = {1976}
}

@article{AHI,
 author = {Y. Asahiro and R. Hassin and K. Iwama},
 title = {Complexity of finding dense subgraphs},
 journal = {Discrete Appl. Math.},
 volume = {121},
 number = {1-3},
 year = {2002},
 pages = {15-26}
}

@article{FKP,
    author = {U. Feige and G. Kortsarz and D. Peleg},
    title = {The Dense k-Subgraph Problem},
    journal = {Algorithmica},
    year = {1999},
    volume = {29}
}

@article{K,
 author = {Subhash Khot},
 title = {Ruling Out PTAS for Graph Min-Bisection, Dense k-Subgraph, and Bipartite Clique},
 journal = {SIAM J Computing},
 volume = {36},
 number = {4},
 year = {2006},
 pages = {1025-1071}
}

@inproceedings{AC,
 author = {Reid Andersen and Kumar Chellapilla},
 title = {Finding Dense Subgraphs with Size Bounds},
 booktitle = {WAW '09: Proceedings of the 6th International Workshop on Algorithms and Models for the Web-Graph},
 year = {2009},
 pages = {25-37}
}

@article{KW,
 author = {Michael Kuhn and Roger Wattenhofer},
 title = {The theoretic center of computer science},
 journal = {SIGACT News},
 volume = {38},
 number = {4},
 year = {2007},
 pages = {54-63}
 }